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Finding the Fourth Proportional to 661,944.84, 992,954.82 and 188,667.12

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Solution

The fourth proportional to 661,944.84, 992,954.82 and 188,667.12 is: 283,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,944.84 : 992,954.82 = 188,667.12 : x
  2. Step 2: Convert to fraction form
    661,944.84/992,954.82 = 188,667.12/x
  3. Step 3: Cross multiply
    661,944.84x = 992,954.82 × 188,667.12
  4. Step 4: Simplify right side
    661,944.84x = 187,337,926,179.52
  5. Step 5: Solve for x
    x = 187,337,926,179.52/661,944.84
  6. Step 6: Final answer
    x = 283,011.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.